A person who thinks they can rap or freestyle. Short for Man Can't Microphone... Damn! Wannabe rap artist.
by anthonyluke July 22, 2011
"Get your face on it and suck," said johnny as he got the mountain climber made of dick (mcmd),"yeah thats right bitch." and she had a cum smoothie.
by Cockface Maguyver April 22, 2009